My nephew was over at the house a couple of nights back with his bike. I was so appalled at the condition it was in I gave it a mini service – the bars were on wrong (the brake levers were sticking up vertically), the brakes were rubbing and virtually ineffectual, both tyres were down to about 10psi, no chain lube in a long time, rear wheel fitted squint, front wheel just about to fall off, gears not indexing etc. 15 minutes and it was a lot better – about as good as one of those £99 BSO's is every going to be!
I also weighed it – over 33lbs for a rigid bike with fairly narrow tyres! That's slightly heavier than my Enduro with coil Pikes and a coil shock…